Eocene Green River Macginitiea P-PCM-16-016 Oreodont These hairs then wither to

These hairs then wither to release the fly

The specific name was chosen "in honor of the bicentennial of the United States of America"

Claims have been made indicating even larger sizes

and short limbs

Eocene Green River Macginitiea P-PCM-16-016 Oreodont These hairs then wither toMacginitiea wyomingensis Green River Formation Parachute Creek Member Middle Eocene Uintah County, Utah This is a tiny example of the genus. Generally Macginitiea leaves are large and may be up to 8 inches. This is a complete leaf including the rachus. There are two Mimosites coloradensis leaflets also on the slab. Macginitiea wyomingensis, is a Sycamore relative, from the Green River Formation. The number of lobes is variable. The slightly serrated